Negative active material for rechargeable lithium battery, and negative electrode and rechargeable lithium battery including same

摘要

In an aspect, a negative active material for a rechargeable lithium battery that includes a silicon-based active material including a core including carbon and SiO x particles (0.5‰¤ x ‰¤ 1.5); and a coating layer surrounding the core, and a negative electrode and a rechargeable lithium battery including the same are provided.